<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<style type="text/css">
		/*p {
			font-size: 28px;
		}

		span {
			font-size: 28px;
		}

		div {
			font-size: 28px;
		}*/
		/*分组选择器*/
		/*p, span, div {*/
		* {
			font-size: 28px;
		}
		/*通用选择器*/
		* {
			margin: 0;
			padding: 0;
		}
	</style>
	<body>
		<p>aaa</p>
		<span>vvv</span>
		<div>ccc</div>
	<div><script language="javascript">

	</script></div></body>
</html>
